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7942434039 = 323312666141
BaseRepresentation
bin1110110010110011…
…11110110011110111
3202111112002110020200
413121121332303313
5112231230342124
63352041531543
7400551401241
oct73131766367
922445073220
107942434039
11340632a281
121657aa3bb3
13997639017
14554ba1091
15317428bc9
hex1d967ecf7

7942434039 has 12 divisors (see below), whose sum is σ = 11507068872. Its totient is φ = 5278957200.

The previous prime is 7942433971. The next prime is 7942434041. The reversal of 7942434039 is 9304342497.

It is not a de Polignac number, because 7942434039 - 216 = 7942368503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7942433985 and 7942434003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7942434079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1330092 + ... + 1336049.

It is an arithmetic number, because the mean of its divisors is an integer number (958922406).

Almost surely, 27942434039 is an apocalyptic number.

7942434039 is a deficient number, since it is larger than the sum of its proper divisors (3564634833).

7942434039 is a wasteful number, since it uses less digits than its factorization.

7942434039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666478 (or 2666475 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 7942434039 is about 89120.3345987884. The cubic root of 7942434039 is about 1995.1912839747.

The spelling of 7942434039 in words is "seven billion, nine hundred forty-two million, four hundred thirty-four thousand, thirty-nine".

Divisors: 1 3 9 331 993 2979 2666141 7998423 23995269 882492671 2647478013 7942434039